11923923 has 16 divisors (see below), whose sum is σ = 17606016. Its totient is φ = 7117440.

The previous prime is 11923921. The next prime is 11923927. The reversal of 11923923 is 32932911.

It is a happy number.

It is not a de Polignac number, because 11923923 - 2¹ = 11923921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11923921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (1100376).

Almost surely, 2^11923923 is an apocalyptic number.

11923923 is a deficient number, since it is larger than the sum of its proper divisors (5682093).

11923923 is a wasteful number, since it uses less digits than its factorization.

11923923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474.

The product of its digits is 2916, while the sum is 30.

The square root of 11923923 is about 3453.1033868102. The cubic root of 11923923 is about 228.4580090009.

It can be divided in two parts, 1192 and 3923, that added together give a palindrome (5115).

The spelling of 11923923 in words is "eleven million, nine hundred twenty-three thousand, nine hundred twenty-three".